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Prof. Pawan Singh

Assistant Professor Gr-II

Department of Physics

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Information

Room No: 304 +91-870-246 pawan@nitw.ac.in Bio Sketch

    Key Notes

    • Journal(s): 36
    • Book Chapter(s): 1
    • PhD: Current - 1

    37

    PUBLICATIONS

    1

    DOCTORAL STUDENT

    Research Areas

    Optics and Photonics
    EDUCATION QUALIFICATION
    Degree Institute Year
    Doctor of Philosophy Babasaheb Bhimrao Ambedkar University Lucknow 2021
    COURSES HANDLED
    Course L-T-P Credit Degree Level
    Engineering Physics(PH1161) 3-0-2 4 UG
    Polarization Optics(PH17036) 3-0-0 3 PG
    Photonic Devices(PH15030) 3-0-0 3 UG
    Lasers and Applications(PH17026) 3-0-0 3 UG, PG
    Engineering Physics(PH186) 3-0-2 4 UG
    RESEARCH IDs
    ORCID
    ORC ID
    Scopus
    SCOPUS ID
    Google Scholar
    Google Scholar ID
    PUBLICATIONS
    Journal(s)
    Optimization of airgap in a monocentric lens assembly and metasurface based anti-reflecting coating in the long-wave IR regime, By Manish Kala, Pawan Singh, Sanjay Kumar Mishra, Unnikrishnan Gopinathan, Ajay Kumar, Akhilesh Kumar Mishra, Elsevier, Optics Communications, vol.605, pp.132808, 2026
    Amplification in 1D photonic multilayer structure with spatially chirped PT-symmetric defect in Terahertz domain, By Manish Kala, Pawan Singh, Akhilesh Kumar Mishra, Elsevier, Optics Communications, vol.579, pp.131521, 2025
    Tailoring exceptional points and lasing points in PT-symmetric one-dimensional multilayer structure with a defect layer of nematic liquid crystal, By Pawan Singh, Priyanka Chaudhary, and Akhilesh Kumar Mishra, OPTICA, Journal of the Optical Society of America B, vol.42, pp.578, 2025
    Non-Hermitian scattering characteristics in a PT-symmetric bilayer structure with parabolic gain–loss profile, By Manish Kala, Pawan Singh, Akhilesh Kumar Mishra, Springer, Optical and Quantum Electronics, vol.57, pp.89, 2025
    Tunable photonic spin Hall effect and In-plane spin separation with PT-symmetric 1D multilayered structure with liquid crystal as defect layer, By Pawan Singh, Manish Kala, Akhilesh Kumar Mishra, IOP, Journal of Physics D: Applied Physics, vol.58, pp.335102, 2025
    Theoretical optical characterization of one-dimensional ternary photonic crystal embedded with nanocomposite of bimetallic core-shell nanoparticles, By Munna Dan, Vishal Gupta, Khem B Thapa, Lalit Kumar, Pawan Singh, Springer, Optical and Quantum Electronics, vol.56, pp.252, 2024
    Transmittance Properties of Metamaterial and Dielectric Based One‐Dimensional Ternary Periodic Structure, By Girijesh Narayan Pandey, Narendra Kumar, Pawan Singh, Khem B Thapa, Wiley, Micromolecular Symposia, vol.407, pp.2200016, 2023
    Optical Properties of One-Dimensional Photonic Crystal Composed of Superconductor and Dielectric Layers with Liquid Crystal Layer as Defect, By Girijesh Narayan Pandey, Narendra Kumar, Pawan Singh, Khem B. Thapa, Anil Kumar Shukla,, Wiley, Micromolecular Symposia, vol.407, pp.2200015, 2023
    Transmission Properties in a One-Dimensional Symmetric Ternary Nanolayered Photonic Crystal Designed with Superconductor and Silicon-Based Materials, By Girijesh Narayan Pandey, Narendra Kumar, Pawan Singh, Khem B Thapa, Springer, Journal of Superconductivity and Novel Magnetism, vol.36, pp.57, 2023
    Transmission properties of one-dimensional symmetric ternary structures of metamaterials and dielectric materials with two different configurations, , By Girijesh Narayan Pandey, Narendra Kumar, Pawan Singh, Khem B Thapa, JP Pandey, IOP, IOP Journal of Physics: Conference Series, vol. 2357, pp.012009, 2022
    Tunable Reflection Properties and Photonic Bandgap Behavior of a One-Dimensional Metamaterial-Superconductor-Based Ternary Photonic Crystal, By Girijesh Narayan Pandey, Narendra Kumar, Pawan Singh, KB Thapa, Vanshika Singhania, IOP, IOP Conference Series: Materials Science and Engineering, vol.1263, pp.012002, 2022
    Tunable optical properties of liquid crystals through coupling of magnetic fields with director angles, By Girijesh Narayan Pandey, Narendra Kumar, Pawan Singh, Khem B Thapa, Anil Kumar Shukla, INOE, Optoelectronics and Advanced Materials-Rapid Communications, vol.16, pp.407, 2022
    Theoretical Investigation of Coupling of Surface Plasmons in One-dimensional Periodic Structure of SiO2 and TiO2 with Defect of Nanocomposite of Liquid Crystals and Core–Shell Nanoparticles, By Vishal Gupta, Pawan Singh, Khem B Thapa, Lalit Kumar, Springer, Plasmonics, vol.17, pp.1791, 2022
    Long-range surface plasmon resonance biosensors with cytop/Al/Perovskite and cytop/Al/MoS2 configurations, By Mohit Kumar, Khem B Thapa, Pawan Singh, IOP, Physica Scripta, vol.97, pp.055501, 2022
    Analysis of Photonic Band Structure Tunability for TE and TM Modes in a Silicon and Polymer Based Ternary Photonic Crystal for Visible Range Devices, By Girijesh Narayan Pandey, Narendra Kumar, Pawan Singh, Khem B Thapa, Springer, Silicon, vol.14, pp.11659, 2022
    Theoretical investigation of optical properties and Faraday rotation of one-dimensional periodic structure of magneto-optical material with a defect electro-optical material for supported the Tamm plasmon-polaritons, By Vivek Kumar Nautiyal, Pawan Singh, , Pranav Upadhyay, and Khem B. Thapa , Springer, Indian Journal of Physics, vol.96, pp.3941, 2022
    Study of the effective surface plasmons in a nano-composite of silver nanoparticles with a host ZrO2 in one-dimensional ternary periodic structure for solar cell application, By Pawan Singh, Vivek Kumar Nautiyal, Neeraj Singh, and Khem B. Thapa, IOP, Physica Scripta, vol.96, pp.025504, 2021
    DFT- based numerical study of the re-entrant phase and optical parameters of the homologous series of MBC liquid crystal molecules studied under the influence of an electric field, By Narinder Kumar, Pawan Singh, Khem B Thapa, Devesh Kumar, Springer, Bulletein of Material Science, vol.44, pp.130, 2021
    Theoretical investigation of one-dimensional periodic structure of TiO2/SiO2 layers containing a defect layer of the nanocomposite with different radii of silver nanoparticles in the host liquid crystal, By Pawan Singh, Vivek K. Nautiyal, Ram Janma, Khem B. Thapa, IOP, Physica Scripta, vol.95, pp.065507, 2020
    Absorption and bandwidth properties of graphene based 1D-photonic crystal for THz devices, By Roshni Maurya, Pawan Singh, Prabal P. Singh, Krishan Pal, Girijesh N Pandey, Khem B. Thapa, AIP, AIP Conference Proceedings, vol.2220(1), pp.020084, 2020
    Broadband reflector of 1D photonic crystal containing TiO2/SiO2 material at visible region, By Asish Kumar, Pawan Singh, Krishan Pal, Narendra Kumar, and Khem B. Thapa, AIP, AIP Conference Proceedings, vol.2220, pp.020068, 2020
    Molecular spectroscopy and electro-optical effect of I52 liquid crystal molecules studied under the influence of an external electric field (THz): A theoretical approach, By Narinder Kumar*, Pawan Singh, Khem B. Thapa, Pranav Upadhyay, Devesh Kumar, Springer, Journal of Molecular Modelling, vol.27, pp.11, 2020
    Electro-optical effect of the nCOOCB liquid crystal molecules under the terahertz (THz) frequency range: A theoretical approach, By Narinder Kumar, Pawan Singh, Khem B. Thapa, and Devesh Kumar, PENERBIT UNIVERSITI SAINS MALAYSIA, Journal of Physical Science, vol.31, pp.113, 2020
    Odd–even effect of 7O. m liquid crystal compound series studied under the effect of the electric field by density functional theory (DFT) methods, By Narinder Kumar, Pawan Singh, Pranav Upadhyay, Shivani Chaudhary, Khem B Thapa, AK Dwivedi, Devesh Kumar, Springer, European Physical Journal Plus (EPJ P), vol.135, pp.388, 2020
    Electro-optical odd-even effect of APAPA liquid crystal molecules studied under the influence of an extraneous electric field (THz): A theoretical approach, By Narinder Kumar, Shivani Chaudhary, Pawan Singh, Khem B. Thapa, Devesh Kumar, Elsevier, Journal of Molecular Liquids, vol.318, pp.114254, 2020
    Study of super absorption properties of 1D graphene and dielectric photonic crystal for novel applications, By Asish Kumar, Pawan Singh, Khem B. Thapa, Springer, Optical and Quantum Electronics, vol.52, pp.1, 2020
    Spectroscopy Exiting behind the Electro-Optical Properties with an EvenOdd Effect of nCB Liquid Crystal Molecules: A Theoretical Approach, By Narinder Kumar, Pawan Singh, Shivani Chaudhary, Khem B. Thapa, Pranav Upadhyay, Devesh Kumar, Polish Academy of Sciences, Acta Physica Polonica A, vol.137, pp.1135, 2020
    Molecular spectroscopy and adverse optical properties of N-(p-hexyloxy-benzylidene)–p-toluidine (HBT) liquid crystal molecule studied by DFT methodology, By Narinder Kumar, Pawan Singh, Khem B. Thapa, Devesh Kumar, IOP, IOP SciNotes, vol.1, pp.015202, 2020
    Effective optical properties of one-dimensional periodic structure of TiO2 and SiO2 layers with a defect layer of nano-composite consisting of silver nanoparticle and E7 liquid crystal, By Pawan Singh, Khem B. Thapa, Narinder Kumar, Devendra Singh, Devesh Kumar, Springer, Pramana- Journal of Physics, vol.93, pp.50, 2019
    Current challenges and future prospects for a highly efficient (>20%) kesterite CZTS solar cell: A review, By Krishan Pal, Pawan Singh, Abhishikta Bhaduri, Khem B. Thapa, , Elsevier, Solar Energy Materials and Solar Cells, vol.196, pp.138, 2019
    Tunable Sensing Property of 1D Periodic Structure with Defect of Liquid Crystal Sandwiched by Metallic Layers, By Pawan Singh, Krishan Pal, Narinder Kumar, Sudesh K. Singh, Khem B. Thapa, Devesh Kumar, American Scientific Publishers, Sensor Letters, vol.17, pp.800, 2019
    Temperature sensor and monochromatic filter based on one-dimensional photonic crystal containing Si and SiO2 with a defect layer of liquid crystal, By Pawan Singh, Khem B. Thapa, And Girijesh N. Pandey, INOE, Optoelectronics and Advanced Materials – Rapid Communications, vol.13, pp.401, 2019
    Tunable optical filter based on one-dimensional periodic structure composed of SiO2 and anisotropic meta-material with a liquid crystal defect layer sandwiched by SiO2, By Pawan Singh, Khem B. Thapa, Narinder Kumar, Anil K. Yadav, Devesh Kumar, World Scientific Publishing, International Journal of Modern Physics B, vol.33, pp.950194, 2019
    Graphene layers on semi-finite 1D asymmetric periodic structure of Si/Glass materials with defect of nematic liquid crystal for a sensor device, By Pawan Singh, Khem B Thapa, Narinder Kumar, Krishan Pal and Devesh Kumar, IOP, Mater. Res. Express, vol.6, pp.066209, 2019
    Study of transmission property of periodic layer consisting of SiO2 and TiO2 layers with anisotropic liquid crystal (LC) and LiNbO3 as defect layers for optical switching, By Pawan Singh, Khem B. Thapa, Narinder Kumar, Devendra Singh, Devesh Kumar, Elsevier, Results in Physics, vol.13, pp.102346, 2019
    Tunable transmission of a nematic liquid crystal defect in 1D periodic structure of dielectric materials due to orientation/re-orientation of nematic molecules, By Pawan Singh, Narinder Kumar, Khem B. Thapa, Devesh Kumar, Springer, European Physical Journal E (EPJ E), vol.41, pp.100, 2018
    Book Chapter(s)
    Embedded Liquid Crystal Defect with Graphene Layers in Asymmetric One-Dimensional Photonic Crystal as Sensor Application By Pawan Singh, Krishan Pal, Khem B. Thapa, Narinder Kumar, Devesh Kumar in Advances in Photonic Crystals and Devices, CRC Press, Research Text Book, 2019
    PROJECT / CONSULTANCY
    RESEARCH FELLOWS / PhD STUDENTS
    Current PhD Students
    Anumula Balakrishna
    Area of Research: Optics and Photonics
    CONFERENCE / WORKSHOP / SYMPOSIUM / SHORT TERM COURSE / FACULTY DEVELOPMENT PROGRAMME
    AWARDS AND ACCOLADES
    2021
    The Dewan Jawahar Lal Nayar Memorial prize
    Research Excellence Award 2021
    ADDITIONAL RESPONSIBILITIES
     Last updated on March 14, 2026